Concrete construction.



Q SSIS M. E. FENNER. CONCRETE CONSTRUCTION. APPLICATION FILED IAN. 2o,.19oa.

MIN ER E. FENNER', OF DURAND, ILLINOIS, ASSIG-NOR OF ONE-HALF 'lO THOMAS L, HAMILTON,

UNITED s'rnrlrs PATENT orrien. N

` OF DURAND, ILLINOIS.

eoNoRETEcoNsTRUoTIoN.

Specification of Letters Patent.

Patented oct. 2o, 190s.

Application filed January 20, 1908.- Serial No. 411,672.

To all; whom it may concern: 13e it-known that I, MINER E. FENNER, a cltlzen ofthe :United States, residing at Durand, in the county of lVinnebago and ication.

The object of this invention is to construct a wall of concrete blocks so that there will be vertically arranged air passagaways adjacent to the outer face and adjacent to the inner face of the wall with horizontally ar- -ranged passage-ways connecting the vertically arranged passage-ways.

` The further object of this invention is to construct a building block'with Walls located :it right angles to one another, and one of the walls being shorterthan'the other.`

In the accompanying drawings, Figure l is an isometrical representation of asection of wall constructed of my improved blocks. Fig. 2 is a plan view of the wall. Fig. 3 is a transverse section and shown4 in perspective, Fig. liis a' trans-verse section. Fig. 5 isa transverse section with the blocks sepa'- rated a greater distance than in Fig. 4:. Fig.

6 is a perspective view of the block.

My improved block comprises the vertically a-rranged wall 1, and horizontally arranged wall 2 located at right angles to one another, andof a proper thickness to give the necessary strength. The horizontally arranged wall 2 is shorter than the wall 1 and the angle between the walls is illed in as at 3 to give greater strength. This block is made solid without openings in order to increase its strength.'

At Figs.- 1, 2, 3, l and 5 I have shown the manner of laying a'wall of my improved blocks, a. half course is laid with the vertical walls 'forming the outer facing ofthe wall, another half course is laid with the verticalwall forming the inner face of the Wall, the horizontalwalls ofone course of blocks lying incontact. Another complete course is laid.

on the iirst course but the joints are broken half way between the jointsl of the iirst course. The third complete Acourse is laid over the second course with the `j ointsbroken half Way between the joints of the second course, other courses are laidin the same manner. When the courses are thus laid.

Vthere will be air passage-ways 4 extending the length ofthe wall adjacent to the inner faces of the vertical walls 1 of the blocks' forming the outer face of the wall, and there will be other'air-passage-ways 5 extending the length of the wall adjacent yto the inner `faces of the vertical walls of thel blocks ,forming the inner face of the wall.

to end as shown at Figs. 1 and 2, there is a Then the blocks. of a course are laid end eentrallopening v6 fzmed by the cut away -v portion of the shortened horizontal walls 2. This central opening forms a communication between two of the air passage-ways 4, at the outer face of the wall and two air passage-Ways 5 at the inner face of the wall` and .so on throughout the Wall. The air passageway-'s adjacent to the outer face of" the wall are on different horizontal planes than the air passage-Ways adjacent to the inner face of the Wall.

By forming the horizontalwalls of the blocks fiat throi'igho'ut their width, the blocks forming a given course may be separated more or .less as shown at Fig. 5 in order that`a wall of may be constructed.

Onlyv one style of block is required to .form the inner and outer faces of the wall.

I claim as my invention. v

1. A building block comprising a facing wall and an interlocking projection, the projecti on being flush with one edge vof the facing wall, and the front edge of the projection being shortened. V-

2. A building block comprising a facing wall and an interlocking. projection, the projection being flush withy one edge of the given or less thicknessv facing wall, and the front edge of the pro-A jection being shortened at both ends. 3. A building block comprising afacing wall and an interlocking projection, the projection being flush with one edge of the facing wall, and the front edge of the projection being shortened at both ends, and the' angles at the endslbeing filled in.

In testimony whereof I have hereunto set my hand in presence of tivo subscribingwit 11th-ESOS.

MINER E. FENNER. Witnesses O. I). BECKER, NILEs- PATTERSON. 

